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...shall see. > > OK, depending on the RAID scheme and how it's implemented, there could > be disk timeouts causing things to hang. Yes, that's why when I found about the disk failure I wanted to hold off doing anything until the disk gets replaced. But as that is not happening until Wenesday afternoon I think I want to try Mark's nobarrier conifg option today. >> I've been watching and monitoring the machines for 2 days and neither >> one has had a large CPU load, not has been using much memory. > > How about iostat? Also, good old "dmesg" can sugg...

Hi Matt- Thank you for this very detailed and thoughtful reply. On Fri, Oct 21, 2016 at 4:43 PM, Matt Garman <matthew.garman at gmail.com> wrote: > On Fri, Oct 21, 2016 at 4:14 AM, Larry Martell <larry.martell at gmail.com> wrote: >> We have 1 system ruining Centos7 that is the NFS server. There are 50 >> external machines that FTP files to this server fairly